These entries are queried from radb.net using whois, you can try my project getting these.
:AS270663 route: 138.117.252.0/22 origin: AS270663 descr: Century Telecom Customer admin-c: DCT38 tech-c: PRD72 mnt-by: MAINT-AS21574 changed: engenharia [at] century.net.br 20220329 #13:08:46Z source: RADB last-modified: 2023-11-13T16:10:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 138.117.253.0/24 descr: CLARO S.A. Customer origin: AS270663 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210922 source: RADB last-modified: 2023-11-13T16:08:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 138.117.254.0/24 descr: CLARO S.A. Customer origin: AS270663 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210922 source: RADB last-modified: 2023-11-13T16:08:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 138.117.255.0/24 descr: CLARO S.A. Customer origin: AS270663 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210922 source: RADB last-modified: 2023-11-13T16:08:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6f7c::/32 origin: AS270663 descr: MVX-LM_NET remarks: This route object was created by Mundivox because there was no object for this prefix, so our peers filters would reject this route. In case of questions, please mail to engenhariaip [at] mundivox.com mnt-by: MAINT-AS17222 changed: engenhariaip [at] mundivox.com 20200525 #15:54:48Z source: RADB last-modified: 2023-11-13T16:00:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source